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On 32-bit x86, one should configure with --with-arch=.

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R=r
https://golang.org/cl/156080
This commit is contained in:
Ian Lance Taylor 2009-11-18 12:48:48 -08:00
parent 652bb7c2be
commit 9e8d136888
1 changed files with 8 additions and 3 deletions
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11
doc/gccgo_install.html
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@ -31,11 +31,16 @@ repository: <code>svn://gcc.gnu.org/svn/gcc/branches/gccgo</code>.
<p>
Building <code>gccgo</code> is just like building <code>gcc</code>
with one additional option. See
with one or two additional options. See
the <a href="http://gcc.gnu.org/install/">instructions on the gcc web
site</a>. When you run <code>configure</code>, add the
option <code>--enable-languages=c,c++,go</code> (along with other languages you
may want to build).
option <code>--enable-languages=c,c++,go</code> (along with other
languages you may want to build). If you are targeting a 32-bit x86,
then you will want to build <code>gccgo</code> to default to
supporting locked compare and exchange instructions; do this by also
using the <code>configure</code> option <code>--with-arch=i586</code>
(or a newer architecture, depending on where you need your programs to
run).
</p>
<p>